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J.6
SEL-787 Relay
Instruction Manual
Date Code 20081022
Relay Word Bits
Definitions
51G2P
Residual ground time-overcurrent element pickup—Winding 2.
13
51G2R
Residual ground time-overcurrent element reset—Winding 2.
14
51G2T
Residual ground time-overcurrent element trip—Winding 2.
4
51N1P
Neutral ground time-overcurrent element pickup—Input 1.
13
51N1R
Neutral ground time-overcurrent element reset.
14
51N1T
Neutral ground time-overcurrent element trip—Input 1.
4
51P1P
Maximum phase time-overcurrent element pickup—Winding 1.
13
51P1R
Maximum phase time-overcurrent element reset—Winding 1.
14
51P1T
Maximum phase time-overcurrent element trip—Winding 1.
4
51P2P
Maximum phase time-overcurrent element pickup—Winding 2.
13
51P2R
Maximum phase time-overcurrent element reset—Winding 2.
14
51P2T
Maximum phase time-overcurrent element trip—Winding 2.
4
51Q1P
Negative-sequence time-overcurrent element pickup—Winding 1.
13
51Q1R
Negative-sequence time-overcurrent element reset—Winding 1.
14
51Q1T
Negative-sequence time-overcurrent element trip—Winding 1.
4
51Q2P
Negative-sequence time-overcurrent element pickup—Winding 2.
13
51Q2R
Negative-sequence time-overcurrent element reset—Winding 2.
14
51Q2T
Negative-sequence time-overcurrent element trip—Winding 2.
4
52A1
Circuit breaker 1, contact A.
12
52A2
Circuit breaker 2, contact A.
12
59P1
Level 1 phase overvoltage element pickup.
17
59P1T
Level 1 phase overvoltage element trip.
6
59P2
Level 2 phase overvoltage element pickup.
17
59P2T
Level 2 phase overvoltage element trip.
6
59Q1
Level 1 negative-sequence overvoltage element pickup.
18
59Q1T
Level 1 negative-sequence overvoltage element trip.
7
59Q2
Level 2 negative-sequence overvoltage element pickup.
18
59Q2T
Level 2 negative-sequence overvoltage element trip.
7
5HB1
Fifth Harmonic block asserted for differential element 1.
15
5HB2
Fifth Harmonic block asserted for differential element 2.
15
5HB3
Fifth Harmonic block asserted for differential element 3.
15
5HBL
Fifth Harmonic block asserted (5HB1 OR 5HB2 OR 5HB3).
15
81D1T
Level 1 definite-time over/under frequency trip.
7
81D2T
Level 2 definite-time over/under frequency trip.
7
81D3T
Level 3 definite-time over/under frequency trip.
7
81D4T
Level 4 definite-time over/under frequency trip.
7
87AP
Differential Current Alarm element pickup.
17
87AT
Differential Current Alarm element trip.
6
87BL1
Harmonic block asserted for differential element 1.
16
87BL2
Harmonic block asserted for differential element 2.
16
87BL3
Harmonic block asserted for differential element 3.
16
Table J.2
Relay Word Bit Definitions for the SEL-787
(Sheet 3 of 9)
Bit
Definition
Row
Содержание SEL-787
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